Route to high temperatures by current amplification in the Sustained Spheromak Physics Experiment (SSPX)

For the spheromak to be attractive as a reactor concept it would be necessary to sustain the configuration with a low recycling power, reflected in the current amplification factor: AI=Itor/Igun, where Itor is the toroidal current and Igun is the gun current. It is understood that AI needs to be around 60 for a reactor [1], although the highest obtained so far in the spheroma